Publications

astrovirus in faeces of children with acute gastroenteritis in rio de janeiro, brazil.		1991	1842447
an outbreak of gastroenteritis associated with astrovirus serotype 1 in a day care center, in rio de janeiro, brazil.	between june 4th and june 20th 1996 rotavirus, adenovirus, and astrovirus (hastrv) were investigated in fecal samples from 27 children under three years old with acute diarrhea, attending the bertha lutz day care center, in rio de janeiro. all fecal samples were analyzed by polyacrylamide gel electrophoresis (page), reverse transcriptase polymerase chain reaction (rt-pcr), enzyme immunoassays (eia), and electron microscopy (em). nine of them (33%) showed positive results for hastrv by at least o ...	2001	11784924
genotypes and molecular epidemiology of human astroviruses in hospitalized children with acute gastroenteritis in rio de janeiro, brazil.	human astrovirus (hastv) is an important pathogen that causes acute gastroenteritis mainly in children up to 5 years old worldwide. a total of 318 fecal samples were collected from january to december of 2004 from children with acute gastroenteritis hospitalized in rio de janeiro (rj), brazil. the samples were obtained from three public hospitals and were previously investigated for the presence of rotavirus (rv) and enteric adenovirus (adv). the aim of this study was to determine the prevalence ...	2007	17516522
astrovirus detection in sporadic cases of diarrhea among hospitalized and non-hospitalized children in rio de janeiro, brazil, from 1998 to 2004.	we analyzed 379 stool samples collected from january 1998 through december 2004, from hospitalized and non-hospitalized children with diarrhea in rio de janeiro, brazil. these samples had prior negative results for other enteric viruses and bacterial pathogens. the specimens were analyzed for hastv detection by rt-pcr. hastv genotypes were determined by sequence analysis of the rt-pcr products. twenty (5.3%) out of 379 samples were positive for astrovirus. astrovirus was equally common among inp ...	2008	18041001
molecular detection of human astrovirus in an urban sewage treatment plant in rio de janeiro, brazil.	the objective of this study was to evaluate the prevalence and dissemination of human astroviruses (hastv) in the environment by analyzing urban sewage samples from a wastewater treatment plant in the city of rio de janeiro, brazil. a one-year study was performed with a total of 48 raw and treated sewage composite samples, which were collected biweekly from an activated sludge plant. virus particles were concentrated by the adsorption-elution method using negatively charged membranes associated ...	2008	19148423